ZWO M54 Filter Drawer – Version 2 – 20mm Backfocus

ZWO M54 Filter Drawer – Version 2 – 20mm Backfocus

DESCRIPTION

The ZWO M54 filter drawer V2 is designed for astrophotographers using large-format ZWO cameras. It accommodates 2" mounted or unmounted filters and maintains an exact backfocus distance of 20 mm. Its M54x0.75 threads on both ends allow seamless connection to cameras and accessories. This version features a reinforced magnetic locking system, improved machining, and better alignment for flat filter seating. Ideal for use with full-frame sensors. The kit includes the drawer body, one filter holder, two M54 adapters, screws, and a hex key.

TECHNICAL SPECIFICATIONS

• Filter size : 2" mounted or unmounted

• Thread : M54x0.75 (female, both sides)

• Backfocus : 20 mm

• Locking system : magnetic closure, enhanced

• Material : anodized CNC aluminum

• Weight : 140 g

• Included : filter drawer, two M54 adapters, screws, Allen key

• Version : V2 (reinforced)

• Use : imaging / visual

Double strong magnets adopted for stronger adsorption, easier installation and pulling out.

Lock screw on the side for you to adjust the tension of the holder to eliminate gap. Double insurance.

 Additional adapters provided with the filter drawer for equipment connection.

The differences between the old and new filter drawer

What’s in the Box?

M54 filter drawer:Filter drawer *1M54-M48F-2mm *1

Mechanical Diagram

M54 filter drawer:0Diameter 70mm * Thickness 20mmM54 * 0.75 male(external) thread (camera side)M48 * 0.75 female(internal) thread (filter end)M54 * 0.75 female(internal) thread (telescope side)

Suitable for 2-inch astronomical filters and full frame cameras, such as ASI6200 and ASI2400.